BAE Systems had five patents in 3D printing during Q1 2024. BAE Systems Plc has filed a patent for an antenna element for direction finding with omni-directional radiation patterns, utilizing chevron slots fed by a ridged waveguide magic tee and microstrip probes. The element offers improved performance, power handling, and bandwidth, and can be manufactured using additive manufacturing processes. Another patent describes a method of additive manufacturing an article using a getter to reduce gas concentration in the chamber, allowing for the production of high-quality articles from feed material. GlobalData’s report on BAE Systems gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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BAE Systems had no grants in 3D printing as a theme in Q1 2024.
Recent Patents
Application: Dual-polarized, ridged waveguide magic-t fed, wideband chevron slot pair antenna element for direction finding applications (Patent ID: US20240094323A1)
The patent filed by BAE Systems Plc describes an antenna element designed for direction finding with omni-directional radiation patterns using chevron slots fed by a ridged waveguide magic tee and microstrip probes. This antenna element offers enhanced performance, power handling, and bandwidth compared to existing monocone and slot antennas. The design allows for additive manufacturing processes in combination with standard metal and polymer production techniques, enabling efficient production.
The antenna element consists of a slot plate with orthogonal first and second slots, element ports, parallel plate pairs, and a cup containing these components. A four-port hybrid magic tee waveguide feed connects the element ports, difference port, and sum port. The waveguide magic tee includes transition sections for element feeds and communication with the difference and sum ports. Additionally, the antenna element may include a radome, slot projections, and a ground plane for further functionality and integration. The design allows for conformal integration with the ground plane, enhancing the overall performance and versatility of the antenna element.
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